HealthBiomarkers
Biomarkers: What the Evidence Says About Supplements for Longevity
14 September 2026
The 100 Great Years Blog
HealthStress & Recovery
Stress & Recovery: How Much Recovery Is Enough? Evidence-Based Targets for Each Practice
Five sessions a week, any combination. Here's what the research says about how much breathwork, meditation, cold, sauna, and nature time you actually need.
12 September 2026
HealthMental Health & Relationships
Mental Health & Relationships: The Harvard Study of Adult Development — What 80 Years of Research Tells Us About Living Well
In 1938, Harvard researchers began following 268 men. The study's conclusion, 80 years later, is unambiguous.
7 September 2026
HealthMental Health & Relationships
Mental Health & Relationships: Why Loneliness Is as Dangerous as Smoking 15 Cigarettes a Day
The comparison seems dramatic. The research behind it is not. What loneliness does to the body — and what to do about it.
1 September 2026
HealthMobility & Balance
Mobility & Balance: How to Improve Balance at Any Age — A Practical 10-Minute Daily Practice
Balance isn't something you have or don't have. It's a skill — and it responds to practice with remarkable speed.
29 August 2026
HealthBiomarkers
Biomarkers: Vitamin D and Longevity — Why Deficiency Is So Common and What to Do About It
Over a billion people are Vitamin D deficient. Here's why, what the research shows, and what to do about it.
22 August 2026
HealthWeight & Body Composition
Weight & Body Composition: How to measure body composition — DEXA, smart scales, and other methods compared
Body fat percentage and muscle mass matter more than body weight. The tools for measuring them vary widely in accuracy, cost, and what they actually capture. Here is what each one does and which is worth using.
20 August 2026
HealthMental Health & Relationships
Mental Health & Relationships: Building Social Connection After 40 — A Practical Guide
Making friends as an adult is structurally harder. Here's why, and what the research says actually works.
16 August 2026
HealthCardio
Cardio: Walking as serious exercise — what the evidence actually shows
Walking is the most universally accessible form of exercise on earth. The mortality data behind it is stronger than most people realise — including among people who also do structured training.
15 August 2026
HealthMental Health & Relationships
Mental Health & Relationships: Stress, Cortisol, and Ageing — Why Mental Health Is a Physical Health Issue
There's no clean separation between mind and body. How chronic stress drives inflammation, metabolic dysfunction, and accelerated ageing.
12 August 2026
HealthNutrition
Nutrition: Sugar — how much is too much, and what it does to your body over time
The occasional sweet is not the problem. Chronic overconsumption of added sugar is — and most people are consuming far more than they realise. Here is what happens in your body, and what the evidence says about thresholds.
10 August 2026
WealthInsurance
Insurance: Life insurance — who needs it, what kind, and how much
Life insurance is simple in principle and confusing in practice. Here is a clear framework for deciding whether you need it, which type makes sense, and how much cover is appropriate.
7 August 2026